Regnier de Graaf (English spelling), original Dutch spelling Reinier de Graaf, or Latinized Reijnerus de Graeff (30 July 1641 – 17 August 1673) was a Dutch physician and anatomist who made key discoveries in reproductive biology. His first name is often spelled Reinier or Reynier.
Read more about Regnier De Graaf: Biography, Legacy, Gallery, Publications